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Paper Abstract and Keywords
Presentation 2010-03-08 11:15
Hierarchical Optical Path Network Design Considering Wavelength/Waveband Conversion
Kazuteru Nakano, Yoshiyuki Yamada, Hiroshi Hasegawa, Ken-ichi Sato (Nagoya Univ.) PN2009-89
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we propose design algorithms for hierarchical optical path networks with waveband/wavelength conversion or only with wavelength conversion. Although the design issue of networks with full waveband/wavelength conversion is free from the waveband/wavelength assignment, the cost minimization is hard to solve due to the degree of freedom in determination of waveband path location. Thus we firstly divide the original problem into sequential two-stage integer linear programming formulations that respectively concentrate on wavelength/waveband path accommodation. We also develop the other formulation on a multi-layered graph that allows us to simultaneously optimize both waveband routing and assignment. Numerical experiments elucidate that, without considering the cost of converters, the proposed algorithm achieves up to 30% cost reduction compared with a conventional algorithm without wavelength conversion [Yagyu, et al., 08]. Over a broad range of traffic demand, hierarchical optical path networks designed by the proposed algorithm achieves lower cost than single layer optical path networks where existing algorithms failed to realize the cost reduction. In addition, it is shown that, with the full wavelength conversion capability, we can achieve almost the same cost as that given by using the full wavelength/waveband capability.
Keyword (in Japanese) (See Japanese page) 
(in English) Hierarchical Optical Network / Waveband / Network Design / Routing and Waveband/Wavelength Assignment / Waveband/Wavelength Conversion / Integer Linear Programming / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 455, PN2009-89, pp. 19-24, March 2010.
Paper # PN2009-89 
Date of Issue 2010-03-01 (PN) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee PN  
Conference Date 2010-03-08 - 2010-03-09 
Place (in Japanese) (See Japanese page) 
Place (in English) Ohama Nobumoto Memorial Hall 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Photonic network technologies 
Paper Information
Registration To PN 
Conference Code 2010-03-PN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Hierarchical Optical Path Network Design Considering Wavelength/Waveband Conversion 
Sub Title (in English)  
Keyword(1) Hierarchical Optical Network  
Keyword(2) Waveband  
Keyword(3) Network Design  
Keyword(4) Routing and Waveband/Wavelength Assignment  
Keyword(5) Waveband/Wavelength Conversion  
Keyword(6) Integer Linear Programming  
1st Author's Name Kazuteru Nakano  
1st Author's Affiliation Nagoya University (Nagoya Univ.)
2nd Author's Name Yoshiyuki Yamada  
2nd Author's Affiliation Nagoya University (Nagoya Univ.)
3rd Author's Name Hiroshi Hasegawa  
3rd Author's Affiliation Nagoya University (Nagoya Univ.)
4th Author's Name Ken-ichi Sato  
4th Author's Affiliation Nagoya University (Nagoya Univ.)
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Date Time 2010-03-08 11:15:00 
Presentation Time 25 
Registration for PN 
Paper # IEICE-PN2009-89 
Volume (vol) IEICE-109 
Number (no) no.455 
Page pp.19-24 
#Pages IEICE-6 
Date of Issue IEICE-PN-2010-03-01 

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